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hep-ph2023
Probing Reheating with Graviton Bremsstrahlung
Nicolás Bernal, Simon Cléry, Yann Mambrini +1
We investigate the stochastic gravitational wave (GW) spectrum resulting from graviton bremsstrahlung during inflationary reheating. We focus on an inflaton oscillating around…
hep-ph2023★ 16 cited
Unitarity Bound on Dark Matter in Low-temperature Reheating Scenarios
Nicolás Bernal, Partha Konar, Sudipta Show
Model-independent theoretical upper bound on the thermal dark matter (DM) mass can be derived from the maximum inelastic DM cross-section featuring the whole observed DM abundance.…
hep-ph2023
Rescuing Gravitational-Reheating in Chaotic Inflation
Basabendu Barman, Nicolás Bernal, Javier Rubio
We show, within the single-field inflationary paradigm, that a linear non-minimal interaction between the inflaton field and the Ricci scalar can result in s…